silphius/app/ecs-systems/water.js

import {System} from '@/ecs/index.js';

export default class Water extends System {

  frequency = 1;

  tick(elapsed) {
    const {Water} = this.ecs.get(1);
    for (const tile in Water.water) {
      Water.water[tile] = Math.max(0, Water.water[tile] - elapsed);
    }
    if (Object.keys(Water.water).length > 0) {
      Water.water = {...Water.water};
    }
  }

}